20191192 has 32 divisors (see below), whose sum is σ = 44762400. Its totient is φ = 8354304.

The previous prime is 20191181. The next prime is 20191231. The reversal of 20191192 is 29119102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4593 + ... + 7840.

It is an arithmetic number, because the mean of its divisors is an integer number (1398825).

Almost surely, 2^20191192 is an apocalyptic number.

It is an amenable number.

20191192 is an abundant number, since it is smaller than the sum of its proper divisors (24571208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20191192 is a wasteful number, since it uses less digits than its factorization.

20191192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12475 (or 12471 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 20191192 is about 4493.4610268700. The cubic root of 20191192 is about 272.3039782082.

The spelling of 20191192 in words is "twenty million, one hundred ninety-one thousand, one hundred ninety-two".